Recently, I was interested in trying my hand at repainting an ALCO C420 for a local short-line in Northwest Arkansas we will call the "A&?" to protect the innocent.  

I know how British Railways do it but I don't know about US Roads. We are in New Haven and B&M territory here.

In the diagram below showing a two track main line, which is the East direction road? The Upper or the Lower?

To be clear, travelling to Boston, would it be upper or lower?

I'm writing this from the NMRA PNR regional convention in Salmon Arm, British Columbia.

Yesterday my wife and I drove from Vancouver, BC to Salmon Arm on Canada Hwy 1. This involved following the Fraser and Thompson Rivers and some other scenic spots. I stopped at a few places along the way to shoot some photos.

The CP and CN swap sides of the Fraser River between Kanaka Bar and Lytton.

Although "anything" is possible when it comes to what two railroads would agree on, including terms of Trackage Rights, one of my benchmarks for the Pennsylvania & Allegheny Railroad layout is to have things that are plausible AND typical and not obscure and rare.  I am attempting to sell the idea the P&A could have been a reality, and although I have attempted to add certain ideas to the layout that after discussing them here have proved to be extremely rare, or doubtful any prototype would actual do it, I decided not to implement them.  So I come before you aga